Gigabytes to Terabytes: 1 GB equals 0.001 TB. To convert gigabytes to terabytes, multiply by 0.001 (TB = GB ÷ 1,000). For example, 10 GB = 0.01 TB.
How to Convert Gigabytes to Terabytes
To convert from gigabytes to terabytes, multiply the value by 0.001. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Gigabytes to Terabytes:
TB = GB ÷ 1,000 - Terabytes to Gigabytes:
GB = TB × 1,000
Gigabytes to Terabytes Conversion Chart
| Gigabytes (GB) | Terabytes (TB) |
|---|---|
| 0.1 | 0.0001 |
| 0.25 | 0.00025 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 1000 | 1 |
Understanding the Units
What is a Gigabyte?
A gigabyte equals one billion bytes (10⁹) in modern SI usage. Storage marketers use the SI definition; some operating systems (e.g., Windows) display the binary GiB (1,073,741,824 bytes) but label it "GB".
Common contexts: storage drives, mobile data plans.
What is a Terabyte?
A terabyte equals one trillion bytes (10¹²).
Common contexts: hard drives, NAS storage, large datasets.
Real-World Reference Points
| Item | Gigabytes (GB) | Terabytes (TB) |
|---|---|---|
| Standard-definition movie | 1 | 0.001 |
| HD movie (Blu-ray) | 25 | 0.025 |
| Modern smartphone storage | 256 | 0.256 |